METHOD FOR MANAGING EMBEDDED UICC AND EMBEDDED UICC, MNO SYSTEM, PROVISION METHOD, AND METHOD FOR CHANGING MNO USING SAME

摘要

The present invention relates to profile access credentials used for encoding profiles in a system comprising an mobile network operator(MNO), a subscription manager (SM), an embedded UICC (eUICC) and the like, that is, a method for storing/managing an eUICC publication key and a corresponding secret or the like inside the eUICC. In addition, the invention also provides a method for transmitting information on profile access credentials inside the eUICC to external entities for encoding and the like.

主权项

1. A method of managing key information of an embedded universal integrated circuit card (eUICC), performed in the eUICC interworking with external entities including a mobile network operator (MNO) system and a subscription manager (SM) system, wherein the eUICC performs a procedure of checking status and capability with at least one of the external entities, the eUICC provides information about its status and capability during the procedure of checking status and capability, and the information about its status and capability is key information including information about at least one of a key generation algorithm, a key length, and a key generation manner.